MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9994
Heuristics 5
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL https://trafffi.ru/strik?utm_term=pdf417+barcode+maker PDF link annotation
- https://cdn-cms.f-static.net/uploads/4387813/normal_5f90d1cbc6052.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4375894/normal_5f948b03785c7.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4368221/normal_5f89e51467a31.pdfIn PDF document text
- https://vilukenuxe.weebly.com/uploads/1/3/2/8/132814007/lowanobojower_gilafadinegeke_wodokifetikoxos.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4415081/normal_5fa7956c84c96.pdfIn PDF document text
- https://xipijixulureju.weebly.com/uploads/1/3/4/3/134377958/3242334.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4408348/normal_5fb2b3018923c.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/860f2827-cf66-4819-b50a-63436254134d/8739636123.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/179d4a14-597c-484a-b271-7fec14d8410e/xozipa.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/f29b4666-60bf-4ee8-ad97-024f489cbeac/vezabopapufajedowe.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000a954.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA954 | 5380 bytes |
SHA-256: 7c787690fe19d53b7ab33ba32e9fb0acafcfec995e2f5cc1e5e2ed0381fec795 |
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font_01_sfnt_off0000bba3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBBA3 | 13844 bytes |
SHA-256: 3d3d761c0e3a8b9b8a0caa30d9fb10635f6a6a85aca24ff911581fd1f73eff04 |
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